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2026-03-11 - 05:20
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Wed Mar 11, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12693212663,7sleep10-21swapper/119:05:231
133012112102,7sleep30-21swapper/319:06:013
135892110100,7sleep20-21swapper/219:09:442
13453210696,7sleep00-21swapper/019:07:580
49842670,1sleep00-21swapper/019:25:180
132222640,1sleep213228-21irqcore19:35:182
35972610,0sleep00-21swapper/023:45:170
292272570,2sleep010-21rcuc/019:20:180
31892530,0sleep10-21swapper/122:20:001
1378599291,27cyclictest0-21swapper/222:57:512
1378599281,26cyclictest0-21swapper/220:12:322
1378599270,26cyclictest0-21swapper/222:22:512
1378599270,26cyclictest0-21swapper/221:42:392
1378599270,26cyclictest0-21swapper/219:53:042
1378599260,26cyclictest0-21swapper/220:34:102
1378599260,25cyclictest0-21swapper/221:49:122
1378599260,25cyclictest0-21swapper/220:24:042
1378599260,25cyclictest0-21swapper/219:12:542
1378599260,25cyclictest0-21swapper/200:34:132
121242260,0sleep112131-21missed_timers20:00:201
1378599250,24cyclictest0-21swapper/221:57:002
13785992319,2cyclictest749-21snmpd20:00:172
1378599231,21cyclictest0-21swapper/219:34:122
1378099230,22cyclictest0-21swapper/123:14:121
13785992218,3cyclictest0-21swapper/223:22:582
13785992216,5cyclictest0-21swapper/222:41:422
13785992215,6cyclictest0-21swapper/221:50:172
1378599221,3cyclictest0-21swapper/219:29:162
1378599221,3cyclictest0-21swapper/200:22:102
1378599221,20cyclictest0-21swapper/223:31:142
1378599221,20cyclictest0-21swapper/221:00:462
1378599220,22cyclictest0-21swapper/220:57:562
1378599220,22cyclictest0-21swapper/220:08:342
1378599220,21cyclictest0-21swapper/222:46:452
1378599220,21cyclictest0-21swapper/220:28:352
13780992218,3cyclictest0-21swapper/120:41:591
1378099220,21cyclictest0-21swapper/123:08:061
1378099220,21cyclictest0-21swapper/122:59:151
1378099220,21cyclictest0-21swapper/122:41:321
1378099220,21cyclictest0-21swapper/121:28:571
1378099220,21cyclictest0-21swapper/121:15:291
1378099220,21cyclictest0-21swapper/120:31:341
1378099220,21cyclictest0-21swapper/100:23:021
1378099220,21cyclictest0-21swapper/100:16:521
13785992117,3cyclictest0-21swapper/221:11:502
1378599211,3cyclictest0-21swapper/220:54:322
1378599210,20cyclictest0-21swapper/223:14:272
1378599210,20cyclictest0-21swapper/222:27:422
1378599210,20cyclictest0-21swapper/221:23:082
1378599210,20cyclictest0-21swapper/200:38:562
1378599210,18cyclictest0-21swapper/223:26:462
13780992118,3cyclictest0-21swapper/122:50:421
13780992118,3cyclictest0-21swapper/119:52:101
13780992117,3cyclictest0-21swapper/121:52:201
13780992117,3cyclictest0-21swapper/121:30:451
1378099210,21cyclictest0-21swapper/120:26:051
1378099210,20cyclictest0-21swapper/123:42:161
1378099210,20cyclictest0-21swapper/123:01:211
1378099210,20cyclictest0-21swapper/123:01:211
1378099210,20cyclictest0-21swapper/122:24:241
1378099210,20cyclictest0-21swapper/122:01:181
1378099210,20cyclictest0-21swapper/121:59:421
1378099210,20cyclictest0-21swapper/121:22:081
1378099210,20cyclictest0-21swapper/120:51:321
1378099210,20cyclictest0-21swapper/119:26:371
1378099210,20cyclictest0-21swapper/100:36:021
1378099210,20cyclictest0-21swapper/100:30:551
1378099210,20cyclictest0-21swapper/100:06:581
1378099210,20cyclictest0-21swapper/100:00:281
13773992119,1cyclictest749-21snmpd19:18:090
13773992118,2cyclictest749-21snmpd23:53:220
13773992118,2cyclictest749-21snmpd21:28:570
13773992117,3cyclictest749-21snmpd23:28:250
13773992117,2cyclictest749-21snmpd22:03:470
13785992018,1cyclictest749-21snmpd23:07:272
13785992018,1cyclictest749-21snmpd22:37:422
13785992018,1cyclictest749-21snmpd21:07:232
13785992018,1cyclictest749-21snmpd20:16:502
13785992018,1cyclictest749-21snmpd00:10:382
13785992018,1cyclictest749-21snmpd00:01:522
13785992017,2cyclictest0-21swapper/219:16:522
13785992016,3cyclictest0-21swapper/222:11:392
1378599201,18cyclictest0-21swapper/220:43:172
1378599200,2cyclictest0-21swapper/223:46:042
1378599200,20cyclictest0-21swapper/223:54:012
1378599200,20cyclictest0-21swapper/219:48:022
1378599200,19cyclictest0-21swapper/223:57:012
1378599200,19cyclictest0-21swapper/219:42:212
1378599200,19cyclictest0-21swapper/219:42:202
13780992018,2cyclictest0-21swapper/123:15:101
13780992018,2cyclictest0-21swapper/122:39:541
13780992018,2cyclictest0-21swapper/120:56:551
13780992018,2cyclictest0-21swapper/119:12:121
13780992018,2cyclictest0-21swapper/100:26:251
13780992017,3cyclictest0-21swapper/122:48:541
13780992017,3cyclictest0-21swapper/122:07:421
13780992017,3cyclictest0-21swapper/120:21:291
13780992017,3cyclictest0-21swapper/120:05:041
13780992017,2cyclictest0-21swapper/100:10:311
13780992016,3cyclictest0-21swapper/120:36:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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